Electric knife sharpener



FIG. 1 is a left side elevational view of an electric knife sharpener showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof with the rear elevational view being identical;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an electric knife sharpener, as shown and described. 